clean code, remove necessary arithmetic parenthesis

Author: oldratlee

a2l

@@ -26,5 +26,5 @@ readonly -a ECHO_COLORS=(31 32 37 34 33 35 36)
 COUNT=0
 
 for a; do
-    colorEcho "${ECHO_COLORS[$((COUNT++ % ${#ECHO_COLORS[@]}))]}" "$a"
+    colorEcho "${ECHO_COLORS[COUNT++ % ${#ECHO_COLORS[@]}]}" "$a"
 done

coat

@@ -20,7 +20,7 @@ readonly eend=$'\033[0m' # escape end
 readonly -a ECHO_COLORS=(31 32 37 34 33 35 36)
 COUNT=0
 colorEcho() {
-    local color="${ECHO_COLORS[$((COUNT++ % ${#ECHO_COLORS[@]}))]}"
+    local color="${ECHO_COLORS[COUNT++ % ${#ECHO_COLORS[@]}]}"
     # check isatty in bash https://stackoverflow.com/questions/10022323
     # if stdout is console, turn on color output.
     [ -t 1 ] && echo "$ec[1;${color}m$@$eend" || echo "$@"

rp

@@ -24,8 +24,8 @@
     argc=$#
 
     # Get last argument
-    relativeTo="${argv[$((argc - 1))]}"
-    files=( "${argv[@]:0:$((argc - 1))}" )
+    relativeTo="${argv[argc - 1]}"
+    files=( "${argv[@]:0:argc - 1}" )
 }
 
 [ -f "$relativeTo" ] && relativeTo="$(dirname "$relativeTo")"

show-duplicate-java-classes

@@ -72,7 +72,7 @@ def print_class_paths(class_paths):
     print("class paths to find:")
     print("=" * 80)
     for idx, class_path in enumerate(class_paths):
-        print(("%-3d: %s" % (idx + 1, class_path)))
+        print("%-3d: %s" % (idx + 1, class_path))
 
 
 if __name__ == '__main__':